会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 3. 发明授权
    • Laser-driven particle beam irradiation apparatus and method
    • 激光驱动粒子束照射装置及方法
    • US08222617B2
    • 2012-07-17
    • US12509116
    • 2009-07-24
    • Yasushi IsekiTakeshi YoshiyukiHiroyuki DaidoMasahiro IkegamiMamiko NishiuchiAkira Noda
    • Yasushi IsekiTakeshi YoshiyukiHiroyuki DaidoMasahiro IkegamiMamiko NishiuchiAkira Noda
    • G21G5/00
    • A61N5/1043A61N2005/1087A61N2005/1088
    • A laser-driven particle beam irradiation apparatus includes: a particle beam generator irradiating a target with pulsed laser light to emit a laser-driven particle ray; a beam converging unit forming a transportation path which guides the emitted laser-driven particle ray to an object and spatially converging the laser-driven particle ray; an energy selector selecting an energy and an energy width of the laser-driven particle ray; an irradiation port causing the laser-driven particle ray to scan the object to adjust an irradiation position in the object; and an irradiation controller controlling operation of the particle beam generator, the beam converging unit, the energy selector and the irradiation port. The beam converging unit generates a magnetic field on a trajectory of the laser-driven particle ray and converging the laser-driven particle ray by the magnetic field, the magnetic field forcing divergence components of the laser-driven particle ray that go away from a center of the trajectory back to the center of the trajectory.
    • 激光驱动的粒子束照射装置包括:粒子束发生器,用脉冲激光照射靶,发射激光驱动的粒子射线; 光束会聚单元,其形成将发射的激光驱动的粒子射线引导到物体并将激光驱动的粒子射线空间收敛的输送路径; 选择激光驱动粒子射线的能量和能量的能量选择器; 照射端口,使激光驱动的粒子射线扫描物体以调节物体中的照射位置; 以及照射控制器,其控制粒子束发生器,束会聚单元,能量选择器和照射端口的操作。 光束会聚单元在激光驱动的粒子射线的轨迹上产生磁场并通过磁场会聚激光驱动的粒子射线,迫使离开中心的激光驱动的粒子射线的发散分量的磁场强迫 的轨迹回到轨迹的中心。
    • 5. 发明申请
    • PARTICLE BEAM IRRADIATION APPARATUS AND PARTICLE BEAM IRRADIATION METHOD
    • 粒子束辐射装置和粒子束辐射方法
    • US20100187435A1
    • 2010-07-29
    • US12677677
    • 2008-09-12
    • Yasushi IsekiKatsushi Hanawa
    • Yasushi IsekiKatsushi Hanawa
    • A61N5/10
    • A61N5/1049A61N5/1043A61N5/1044A61N5/1064A61N2005/1087A61N2005/1095
    • A particle beam irradiation apparatus includes: a beam generation unit that generates a particle beam; a beam emission control unit that controls emission of the particle beam; a beam scanning instruction unit that sequentially two-dimensionally instructs a position of the particle beam so that the particle beam is scanned across the entire slice; a beam scanning unit that two-dimensionally scans the particle beam; a respiration gate generation unit that generates a respiration gate synchronized with a respiration cycle of the patient; and a pulse generation unit that generates a predetermined number of scanning start pulses at substantially equally spaced time intervals in the respiration gate. The beam scanning instruction unit instructs to scan the entire slice by pattern irradiation based on a set dose from each of the scanning start pulses so that a scan of the same slice is repeated the predetermined number of times.
    • 粒子束照射装置包括:生成粒子束的光束产生部; 光束发射控制单元,其控制所述粒子束的发射; 光束扫描指令单元,其顺序地二维地指示粒子束的位置,使得粒子束跨越整个切片扫描; 二维扫描粒子束的束扫描单元; 呼吸门产生单元,其产生与患者的呼吸循环同步的呼吸门; 以及脉冲产生单元,其在呼吸门中以基本相等间隔的时间间隔产生预定数量的扫描开始脉冲。 光束扫描指示单元指示通过基于来自每个扫描开始脉冲的设定剂量的图案照射来扫描整个切片,使得相同切片的扫描重复预定次数。
    • 8. 发明授权
    • Particle beam irradiation apparatus and control method of the particle beam irradiation apparatus
    • 粒子束照射装置及粒子束照射装置的控制方法
    • US08552408B2
    • 2013-10-08
    • US13577741
    • 2011-02-07
    • Katsushi HanawaYasushi IsekiNobukazu KakutaniTakuji FurukawaTaku InaniwaShinji SatoKouji Noda
    • Katsushi HanawaYasushi IsekiNobukazu KakutaniTakuji FurukawaTaku InaniwaShinji SatoKouji Noda
    • A61N5/10
    • A61N5/1043A61N5/1071A61N2005/1074A61N2005/1087G21K1/025
    • Provided is a particle beam irradiation apparatus capable of highly reliable measurement of a dose of each beam and capable of highly sensitive measurement of a leakage dose caused by momentary beam emission. The particle beam irradiation apparatus according to the present invention includes: an emission control portion that controls emission and termination of a particle beam; a control portion that sequentially changes an irradiation position of the particle beam relative to an affected area; first and second dosimeters that measure dose rates of the particle beam directed to the affected area; and an abnormality determination portion that accumulates the dose rates output from the first and second dosimeters for each of predetermined determination periods to calculate first and second sectional dose measurement values and that performs second abnormality determination of determining that there is an abnormality and outputs an interlock signal for terminating the emission of the particle beam in at least one of a case in which the first sectional dose measurement value exceeds a predetermined first reference range and a case in which the second sectional dose measurement value exceeds a predetermined second reference range.
    • 提供一种能够高度可靠地测量每个光束的剂量并且能够高度敏感地测量由瞬时光束发射引起的泄漏剂量的粒子束照射装置。 根据本发明的粒子束照射装置包括:发射控制部分,其控制粒子束的发射和终止; 控制部,其依次改变所述粒子束相对于受影响区域的照射位置; 测量指向受影响区域的粒子束的剂量率的第一和第二剂量计; 以及异常判定部,其对于每个规定的判定期间累积从第一和第二剂量计输出的剂量率,以计算第一和第二截面剂量测量值,并且执行确定存在异常的第二异常判定并输出互锁信号 用于在第一部分剂量测量值超过预定的第一参考范围的情况和第二部分剂量测量值超过预定的第二参考范围的情况中的至少一个中终止粒子束的发射。
    • 9. 发明授权
    • Particle beam irradiation apparatus and particle beam irradiation method
    • 粒子束照射装置和粒子束照射方法
    • US08436323B2
    • 2013-05-07
    • US12677677
    • 2008-09-12
    • Yasushi IsekiKatsushi Hanawa
    • Yasushi IsekiKatsushi Hanawa
    • A61N5/10
    • A61N5/1049A61N5/1043A61N5/1044A61N5/1064A61N2005/1087A61N2005/1095
    • A particle beam irradiation apparatus includes: a beam generation unit that generates a particle beam; a beam emission control unit that controls emission of the particle beam; a beam scanning instruction unit that sequentially two-dimensionally instructs a position of the particle beam so that the particle beam is scanned across the entire slice; a beam scanning unit that two-dimensionally scans the particle beam; a respiration gate generation unit that generates a respiration gate synchronized with a respiration cycle of the patient; and a pulse generation unit that generates a predetermined number of scanning start pulses at substantially equally spaced time intervals in the respiration gate. The beam scanning instruction unit instructs to scan the entire slice by pattern irradiation based on a set dose from each of the scanning start pulses so that a scan of the same slice is repeated the predetermined number of times.
    • 粒子束照射装置包括:生成粒子束的光束产生部; 光束发射控制单元,其控制所述粒子束的发射; 光束扫描指令单元,其顺序地二维地指示粒子束的位置,使得粒子束跨越整个切片扫描; 二维扫描粒子束的束扫描单元; 呼吸门产生单元,其产生与患者的呼吸循环同步的呼吸门; 以及脉冲产生单元,其在呼吸门中以基本相等间隔的时间间隔产生预定数量的扫描开始脉冲。 光束扫描指示单元指示通过基于来自每个扫描开始脉冲的设定剂量的图案照射来扫描整个切片,使得相同切片的扫描重复预定次数。
    • 10. 发明申请
    • PARTICLE BEAM IRRADIATION APPARATUS AND CONTROL METHOD OF THE PARTICLE BEAM IRRADIATION APPARATUS
    • 颗粒光束辐射装置和颗粒光束辐射装置的控制方法
    • US20120305796A1
    • 2012-12-06
    • US13577509
    • 2011-02-07
    • Yasushi IsekiKatsushi HanawaKazunao MaedaNobukazu KakutaniTakuji FurukawaTaku InaniwaShinji SatoKouji Noda
    • Yasushi IsekiKatsushi HanawaKazunao MaedaNobukazu KakutaniTakuji FurukawaTaku InaniwaShinji SatoKouji Noda
    • A61N5/10G21K5/04
    • A61N5/10A61N5/1043A61N5/1075A61N2005/1074A61N2005/1087G01T1/2935
    • Provided is a particle beam irradiation apparatus that can measure and display a dose two-dimensional distribution during scan with a simple configuration, while reducing degradation of a particle beam shape. The particle beam irradiation apparatus according to the present invention includes: a beam generation portion that generates a particle beam; a beam emission control portion that controls emission of the particle beam; a beam scanning portion that two-dimensionally scans the particle beam; a sensor portion including a plurality of first linear electrodes arranged in parallel in a first direction and a plurality of second linear electrodes arranged in parallel in a second direction orthogonal to the first direction; a beam shape calculation portion that calculates a center of gravity of the particle beam from a first signal output from each of the first linear electrodes and a second signal output from each of the second linear electrodes and that obtains a two-dimensional beam shape of the particle beam around the center of gravity; a storage portion that accumulates and stores the two-dimensional beam shapes; and a display portion that displays the two-dimensional beam shapes as a two-dimensional distribution of a dose.
    • 提供一种粒子束照射装置,其能够以简单的构造在扫描期间测量和显示剂量二维分布,同时减少粒子束形状的劣化。 根据本发明的粒子束照射装置包括:产生粒子束的光束产生部; 控制粒子束发射的光束发射控制部分; 二维地扫描粒子束的光束扫描部; 传感器部分,包括沿第一方向平行布置的多个第一线性电极和沿与第一方向正交的第二方向平行设置的多个第二线性电极; 光束形状计算部分,其根据从每个第一线性电极输出的第一信号和从每个第二线性电极输出的第二信号计算粒子束的重心,并且获得二维波束形状 颗粒束围绕重心; 存储部,其积存并存储二维光束形状; 以及显示部,其将二维光束形状显示为剂量的二维分布。